html{
    overflow: auto; 
    max-width: 100%;
}
#div01{
    height: 60px;
    z-index: 100;
    background-color: black;
    width: 100%;
    /* position: fixed;
    top: 0px; */
    opacity: 80%;
    position: absolute;
    top: 0px;
    left: 0px;
    cursor: default;
}
#img02{
    height: 30px;
    position: absolute;
    left: 40px;
    z-index: 50;
    opacity: 100%;
    top: 10px;
}
#div02{
    width: 100%;
    height: 600px;
    margin-bottom: 100px;
    z-index: 5;
    position: absolute;
    top: 0px;
    right: 0px;
}
#img03{
    width: 100%; /*ä½¿å›¾åƒä¸Žä¸Šé¢çš„navå¯¼èˆªæ å¯¹é½*/
    background-repeat: no-repeat;
    z-index: 20;
    height: 600px;
    overflow: hidden; /*ä»æœªè§£å†³å³è¾¹æ»šåŠ¨æ¡æº¢å‡ºé—®é¢˜*/
}
#div02 span{
    font-size: 55px;
    font-weight: bold;
    color: white;
    position: absolute;
    left: 200px;
    right: 160px;
    top: 190px;
}
#div02 span::selection{
    color: red;
    background-color: burlywood;
}
#div03{ 
    position: relative;
    top: 660px;
    width: 100%;
}
#div04{
    height: 500px;
    width: 100%;
}
#div05{
    position: relative;
    display: inline-block;
    height: 50px;
    width: 100%;
    margin-bottom: 20px;
    
    text-align: left;
}
#div06{
    position: relative;
    top: 200px;
    font-size: larger;
    display: inline;
    width: 100%;
}

#div07{
    position: inherit;
    font-size: 50px;
    top: 200px;
    width: 100%;
    right: 0px;

}
#div08{
    position: inherit;
    left: 150px;
    height: 200px;
    width: 200px;
    display: inline-block;
    margin: 30px;
    right: 0px;
}
.img{
    height: 200px;
    width: 200px;
    display: inline;
    
}
.img:hover{
    transform: scale(1.5);
}
.span{
    position: relative;
    top: 5px; /*ç›¸å¯¹äºŽdiv09å¾®è°ƒè·ç¦»ä½¿ä¹‹å±…ä¸­*/
    size: 25px;
    display: inline;
    margin: 30px;
    color: white;
    z-index: 70;
}
.span:hover{
    border: black;
    border-radius: 10px;
    padding:10px 8px;
    background-color: white;
    color: black;
}
.span:active{
    border: solid red;
    border-radius: 15px;
    padding:10px 20px;
    background-color: orangered;
    color: wheat;
}
#div09{
    position: inherit;
    top: 13px;
    right: 0px;
    display: inline-block;
    height: 60px;
    opacity: 100%;
}
#span1{
    border: solid black;
    border-radius: 15px;
    size: 25px;
    background-color: gray;
    position: relative;
    top: 5px;
    margin: 30px;
    z-index: 70;
    padding:10px 20px; /*ä¸Šä¸‹10pxè·ç¦»ï¼Œå·¦å³20pxè·ç¦»ï¼Œä½œç”¨åœ¨äºŽæ’‘å¤§buttonæŒ‰é’®çš„èŒƒå›´*/
}
#span1:hover{
    border: solid black;
    border-radius: 15px;
    background-color: white;
    padding:10px 20px;
    color: black;
}
#span1:active{
    border: solid black;
    border-radius: 15px;
    background-color: blueviolet;
    padding:10px 20px;
    color: white;
}
#span2{
    display: block;
    position: relative;
    font-size: 40px;
    text-align: center;
}
#img01{
    display: block;
    height: 140px;
    width: 140px;
    margin-bottom: 20px;
    border-radius: 100%; /*ï¼ç­‰é«˜ç­‰å®½ï¼Œå°†å›¾æ ‡è®¾ç½®ä¸ºå®Œå…¨çš„æ­£åœ†å½¢*/
    margin: 60px;
}
#img01:hover{
    transform: scale(1.5);
}
#div10{
    position: relative;
    left: 140px;
    right: 0px;
    top: -25px;
    /*bottom: 700px;æ— æ•ˆè®¾ç½®*/
    margin-top: 300px;
    /* margin-bottom: 500px; */
    width: 300px;
}


#div11{
    width: 1000px;
    margin-top: 120px;
    float: inline-start;
}

#div12{
    position: absolute;
    left: 450px; 
    top: 470px; 
    right: 0px;
    display: block;
}
#div12 div{
    border-radius: 40px;
    height: 20px;
    line-height: 20px;
    display: inline-block;
    
}
#div1a{
    background-color: rgb(168, 190, 247);
    width: 70px;
    color: white;
    font-size: 10px;
    text-align: center;
}
#div1b{
    background-color: green;
    width: 50px;
    color: white;
    font-size: 10px;
    text-align: center;
}
#div1c{
    background-color: rgb(51, 67, 92);
    width: 90px;
    color: white;
    font-size: 10px;
    text-align: center;
}
#span4{
    font-size: 25px;
}
#span4_1{
    font-size: 25px;
    position: absolute;
    top: 5px;
}
#span5{
    font-size: 15px;
}
.p{
    margin-top: 73px;
    /*ç”¨ç«ç‹é¢„è§ˆä¼šå‡ºçŽ°è·ç¦»ä¸å¯¹çš„é—®é¢˜*/
}
#div15{
    width: 1000px;
    height: 140px;
    z-index: 80;
    position: absolute;
    bottom: 530px;
    left: 220px; 
    border-radius: 15px;
    display: inline-block;
    background-color: white;
    box-shadow: -10px 10px 15px rgba(44, 43, 43, 0.144) ;
    outline-width: 20px;
    right: 0px;
    /* display: flex;
    justify-content: space-around; */
}
#div15_clone{
    width: 1000px;
    height: 140px;
    z-index: 60;
    position: absolute;
    bottom: 530px; /*ç›¸å¯¹äºŽdiv06å¾€ä¸Šç§»åŠ¨*/
    left: 220px; /*ç›¸å¯¹äºŽdiv06å¾€å·¦ç§»åŠ¨*/
    border-radius: 15px;
    box-shadow: 10px 10px 20px rgba(44, 43, 43, 0.144) ;
    outline-width: 20px;
}
#div15 span{
    position: inherit;
    top: 18px;
    left: 40px;
    font-size: 17px;
    display: inline-block;
}
#div15 #span01{
    margin-left: 240px;
}
#div15 #span02{
    margin-left: 440px;
}


#tip_box{
    visibility:hidden;
    height：100px;
    width: 1000px;
    font-size: 20px;
    display: inline-block;
    background-color: green;
    text-align:center;
    border-radius: 15px;
}

#tip_box span{
    font-size:25px;
    border-radius: 15px;
    padding:10px 10px 10px 10px;   
}

#block_span{
    visibility:hidden;
    margin:35px 40px 1px 60px;
    font-size:50px;  
}

#re_sign{
    visibility:hidden;
    width: 100px;
    height: 30px;
    float: right;
    margin-right:30px;
}

#re_sign:hover{
    visibility:hidden;
    width: 100px;
    height: 30px;
    float: right;
    margin-right:30px;
    background-color: orange;
}
/* aside{
    border-style: solid;
    border-width: 0.5px;
    width: 80px;
    z-index: 100;
    background-color: whitesmoke;
    position: fixed;
    left: 0px;
    top: 100px;
}

aside ul li{
    display: none; /*è®¾å®šé»˜è®¤éšè—
}
/* aside ~div{
    translate: 80px;
    display: none;
} 
aside header:hover aside ~ul li{
    display: block;
    z-index: 100;
} */
/* #selection_school{
    position: absolute;
    top: 140px;
} */
#button1{
    border-radius: 6px;
    width: 220px;
    height: 50px;
    position: inherit;
    bottom: 25px;
    left: 35px;
    font-size: 20px;
    box-shadow: 0 5px #999;
}
#button1:hover{
    background-color: pink;
}
#button1:active{
    box-shadow: 0 1px #666;
    transform: translateY(4px);
}
#button1-content{
    /* display: block; */
    display: none;
    position: absolute;
    top: 126px;
    left: 30px ;
    background-color: rgba(88, 194, 202, 0.8);
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.9);
    max-height: 300px;
    overflow: scroll;
    max-width: 900px;
    overflow-x: scroll;
    border-radius: 6px;
}

#button1-content button{   
    display: none;
    list-style-type: none;
    margin-top: 10px;
    margin-bottom: 10px;
    height:40px;
    font-size: 20px;
    text-align: center;
    margin-left:5px;
    display: inline-block;
    border-radius: 15px;
}
#button1-content button:hover{   
    display: none;
    list-style-type: none;
    margin-top: 10px;
    margin-bottom: 10px;
    height:40px;
    font-size: 20px;
    text-align: center;
    margin-left:5px;
    display: inline-block;
  background-color: green;
}


#province{
    border-right: solid rgba(204, 204, 204, 0.9);
  text-align: center;
}
#province button{
    margin-top: 20px;
    margin-bottom: 20px;
    font-size: 20px;
    width:120px;
    height:50px;
    display: inline-block;
}

#province button:hover{
    margin-top: 20px;
    margin-bottom: 20px;
    width:120px;
    height:50px;
    font-size: 20px;
    display: inline-block;
    background-color: pink;
}

#jiangxi-Universities{
    display: none;
    justify-content: space-between;
    flex-wrap: wrap;
}
#hubei-Universities{
    display: none;
    
    justify-content: space-between;
    flex-wrap: wrap;
}
#hunan-Universities{
    display: none;
    
    justify-content: space-between;
    flex-wrap: wrap;
}
#guangdong-Universities{
    display: none;
    
    justify-content: space-between;
    flex-wrap: wrap;
}
#jiangsu-Universities{
    display: none;
    
    justify-content: space-between;
    flex-wrap: wrap;
}
#shanxi-Universities{
    display: none;
    
    justify-content: space-between;
    flex-wrap: wrap;
}

#button2{
    border-radius: 6px;
    width: 180px;
    height: 50px;
    position: absolute;
    bottom: 25px;
    left: 270px;
    font-size: 28px;
    box-shadow: 0 5px #999;
}
#button2:active{
    box-shadow: 0 1px #666;
    transform: translateY(4px);
}
#button2:hover{
    background-color: white;
}
#button2-content{
    display: none;
    position: absolute;
    top: 125px;
    left: 270px ;
    right: 550px ;
    background-color: rgba(243, 242, 181, 0.644);
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    max-height: 200px;
    overflow: scroll;
    border-radius: 6px;
    text-align: left;
}
#button2-content ul{
    margin-left: 10px;
    margin-right: 10px;   
}
#button2-content ul li{
    list-style-type: none;
    font-size: 20px;
    cursor: pointer;
    text-decoration: none;
    margin: 10px;
}
#button2-content ul li:hover{
    color: green;
    font-weight: bold;
}
/* #dropdown_school:hover #button2-content{
    display: flex;
    justify-content: space-evenly;
} */
/* #button2:active #button2-content{
    display: flex;
    justify-content: space-evenly;
} */
#button2-content:hover{
    display: flex;
    justify-content: space-evenly;
}
/* .dropdown_school:visited #button2-content{
    display: flex;
    justify-content: space-evenly;
} */
/* #button2-content:hover #dropdown_school{
    background-color: white;
    border-bottom: none;
} */

#input3{
    border-radius: 6px;
    width: 250px;
    height: 45px;
    position: inherit;
    bottom: 25px;
    left: 470px;
    font-size: 20px;
    overflow-x: scroll;
    box-shadow: 0 5px #999;;
}
#input3:active{
    box-shadow: 0 1px #666;
    transform: translateY(4px);
}

#div_baoming{
    border-radius: 30px;
    background-color: #2599EE;
    width: 150px;
    height: 50px;
    position: inherit;
    bottom: 25px;
    left: 770px;
    color: white;
    /* font-size: 150px; */
    right: 0px;
    cursor: default;
    /* display: flex; */
}
#div_baoming span{
    position: inherit;
    top: 8px; /*ç«ç‹æµè§ˆå™¨åŒæ ·å‡ºçŽ°è·ç¦»é—®é¢˜*/
    left: 50px;
    font-size: 25px;
}
#div_baoming:hover{
    background-color: purple;
} 
#div_baoming:active{
    /* background-image: linear-gradient(to right,red,purple); */
    background-color: red;
    transition: linear 0.5s;
}

#js_switch{
    border-bottom: solid rgba(44, 44, 44, 30%);
    width: 400px;
    position: absolute;
    top: 250px;
    right: -150px;
    display: flex;
    justify-content: space-around;
}

#js_switch span{
    font-size: 15px;
    padding: 20px 20px 30px 20px;
    cursor: pointer;
    width: 50px;
}


.outside_box{
    position: absolute;
    top: 500px;    
    width:160%;
    padding-bottom:520px;
    background-color: white;
}

.css_all_class{
  display: none;
}

.html_all_class{
  display: none
}

.JavaScript_all_class{
  display: none
}

.img_format{
    height: 200px;
    width: 200px;
    
}
.p_div{
  width:80%;
  height:200px;
  background-color: white;
  margin:0 auto;
  margin-top:5px;
  margin-bottom: 10px;
  display: flex;
}
.class_headline{
  font-size: 30px;
}

.headline1 {
  margin:0 auto;
  text-align:center;
  font-size:50px;
}
.css_tag_format{
  border-radius: 6px;
  background-color: #2599EE;
}
.html_tag_format{
  border-radius: 6px;
  background-color: #125630;
}
.javascript_tag_format{
  border-radius: 6px;
  background-color: #f9e60b;
}



#selected1{
    display: none;
    position: inherit;
    right: 300px;
    top: 68px;
    background-color: rgb(32, 31, 44);
    border-radius: 6px;
    width: 100px;
    height: 5px;
}

#selected2{
    display: none;
    position: inherit;
    right: 200px;
    top: 68px;
    background-color: rgb(32, 31, 44);
    border-radius: 6px;
    width: 100px;
    height: 5px;
}

#selected3{
    display: none;
    position: inherit;
    right:100px;
    top: 68px;
    background-color: rgb(32, 31, 44);
    border-radius: 6px;
    width: 100px;
    height: 5px;
}

#selected4{
    display: none;
    position: inherit;
    right: 0px;
    top: 68px;
    background-color: rgb(32, 31, 44);
    border-radius: 6px;
    width: 100px;
    height: 5px;
}


.clicked{
    font-weight: 700;
}

.bottom_bar_format{
  position:fixed;
  bottom:0;
}

.div_bottom_background{
    background-color:#DDDDDD ;
    height: 300px;
    width: 112%;
    margin:0 auto;
    margin-bottom:150px;
   
}
.round_lay_format{
    margin:100px;
    overflow-x: hidden; /*æœªè§£å†³æº¢å‡ºé—®é¢˜*/
}
.round_format{
    margin:100px 1px 50px 100px;
    width: 100px;
    height: 100px;
    display: inline-block;

    border-radius: 100%;
    background-color: black;
    font-size: 65px;
    font-weight: 100;
    font-family: Georgia, 'Times New Roman', Times, serif;
    padding: 20px;
    box-sizing: border-box;
    color: white;
    text-align: center;
    line-height: 30px;
    padding-top:30px;
}



.ul_format{
    margin-right:100px;
    text-align: left;
    float: right;
    
}


#link_bottom1 ul li{
    list-style-type:none;
    font-size: 20px;
    margin-top: 15px;
}
#link_bottom1 ul li:hover{
    text-decoration: underline;
    color: blue;
}
#link_bottom1 ul li:visited{
    color: purple;
}
#link_bottom1 ul li:active{
    color: red;
}
#link_bottom1 ul span{
    /*margin-bottom: 50px; ï¼spanä¸ºè¡Œå†…æ ‡ç­¾ï¼Œæ— æ³•ç›´æŽ¥è°ƒæ•´marginè·ç¦»*/
    font-size: 30px;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 25px;

}

#link_bottom2 ul li{
    list-style-type:none;
    font-size: 20px;
    margin-top: 15px;
}
#link_bottom2 ul li:hover{
    text-decoration: underline;
    color: blue;
}
#link_bottom2 ul li:visited{
    color: purple;
}
#link_bottom2 ul li:active{
    color: red;
}
#link_bottom2 ul span{
    /*margin-bottom: 50px; ï¼spanä¸ºè¡Œå†…æ ‡ç­¾ï¼Œæ— æ³•ç›´æŽ¥è°ƒæ•´marginè·ç¦»*/
    font-size: 30px;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 25px;

}

#link_bottom3 ul li{
    list-style-type:none;
    font-size: 20px;
    margin-top: 15px;
}
#link_bottom3 ul li:hover{
    text-decoration: underline;
    color: blue;
}
#link_bottom3 ul li:visited{
    color: purple;
}
#link_bottom3 ul li:active{
    color: red;
}
#link_bottom3 ul span{
    /*margin-bottom: 50px; ï¼spanä¸ºè¡Œå†…æ ‡ç­¾ï¼Œæ— æ³•ç›´æŽ¥è°ƒæ•´marginè·ç¦»*/
    font-size: 30px;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 25px;

}